{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898343,-0.439294,0.000000,0.000000,0.284088,-0.580952,0.762751,0.000000,-0.334128,0.683282,0.649218,0.000000,-2134127.287264,4364230.590059,4118893.805184,1],    "boundingVolume": {    "region": [2.025558,0.706518,2.025659,0.706593,0.000000,43.122198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1819027.b3dm"}}}